package com.itheima01.service;

import com.itheima01.domian.Student;

import java.util.List;

public interface StudentServiceIf {
    //查所有
    public abstract List<Student> finAll();
    //根据学号查
    public abstract Student finId(Integer id);
    //新增
    public abstract int addStudent(Student student);
    //修改
    //根据学号删除
}
